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Finding the Fourth Proportional to 612,283.57, 844,879.14 and 363,886.84

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Solution

The fourth proportional to 612,283.57, 844,879.14 and 363,886.84 is: 502,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,283.57 : 844,879.14 = 363,886.84 : x
  2. Step 2: Convert to fraction form
    612,283.57/844,879.14 = 363,886.84/x
  3. Step 3: Cross multiply
    612,283.57x = 844,879.14 × 363,886.84
  4. Step 4: Simplify right side
    612,283.57x = 307,440,400,436.52
  5. Step 5: Solve for x
    x = 307,440,400,436.52/612,283.57
  6. Step 6: Final answer
    x = 502,120.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.